Unformatted text preview: the years 2000 and 2007 is football shaped. The correlation is positive but not equal to 1. One particular day is on the 31st percentile of daily quantity of precipitation in 2000 and on the 31st percentile of daily quantity of precipitation in 2007. This day’s precipitation in 2007 (i) is equal to (ii) is less than (iii) is greater than (iv) cannot be compared to the average precipitation level in 2007 of all the days on the 31st percentile in 2000. 4. Find the equation for the regression line for the following data set about weekly usage of vegetable oil and weight for a group of 5. Sample 1 2 3 4 5 Number of vegetable-oil-cooked meals per week 14 16 6 11 12 Weight (pounds) 108 110 145 121 118 If one of them eats one more meal cooked by vegetable oil every week, will his weight drop according to the regression line? If not, what does the slope mean? 1...
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This note was uploaded on 07/08/2010 for the course STATS 21 taught by Professor Ibser during the Spring '09 term at Berkeley.
- Spring '09